Geologically and astronomically speaking, this is actually one of Earth's longest ever days. Earth's rotation has been slowing down for billions of years as it

Geologically and astronomically speaking, this is actually one of Earth's longest ever days. Earth's rotation has been slowing down for billions of years as it loses angular momentum to the moon. See e.g. https://www.scientificamerican.com/article/earth-rotation-summer-solstice/ https://www.scientificamerican.com/article/earth-rotation-su..., http://www.iea.usp.br/en/news/when-a-day-lasted-only-four-hours http://www.iea.usp.br/en/news/when-a-day-lasted-only-four-ho....